13032100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^4$

素因数の和:90

約数の個数: 45

約数和(自身を含む): 29850737

約数和(自身を除く): 16818637

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 6859, 7220, 9025, 13718, 18050, 27436, 34295, 36100, 68590, 130321, 137180, 171475, 260642, 342950, 521284, 651605, 685900, 1303210, 2606420, 3258025, 6516050, 13032100]

約数ペア:

[(1, 13032100), (2, 6516050), (4, 3258025), (5, 2606420), (10, 1303210), (19, 685900), (20, 651605), (25, 521284), (38, 342950), (50, 260642), (76, 171475), (95, 137180), (100, 130321), (190, 68590), (361, 36100), (380, 34295), (475, 27436), (722, 18050), (950, 13718), (1444, 9025), (1805, 7220), (1900, 6859)]